David, B V Nayar K K, Ananthakrishnan T N
General and applied entomology - Newdelhi, Tata Mc graw- hill publishing co. ltd. 1976 - 589
Applied entomology/ general entomology/ entomology
595.7 NAY
100
General and applied entomology - Newdelhi, Tata Mc graw- hill publishing co. ltd. 1976 - 589
Applied entomology/ general entomology/ entomology
595.7 NAY
100